From 3b82059bdb2e4254aa18a3a3b90f33568508f6a8 Mon Sep 17 00:00:00 2001
From: Calum Lind <calumlind+deluge@gmail.com>
Date: Mon, 31 Aug 2015 10:06:41 +0100
Subject: [PATCH] [#2731] [GTKUI] Fix potential AttributeError in
 is_on_active_workspace

 * Without being able to replicate adding the forced updated is the likely fix for 'win'
being None but also add test in case it's not...
---
 deluge/ui/gtkui/mainwindow.py | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/deluge/ui/gtkui/mainwindow.py b/deluge/ui/gtkui/mainwindow.py
index e86f77958..28ddd88e5 100644
--- a/deluge/ui/gtkui/mainwindow.py
+++ b/deluge/ui/gtkui/mainwindow.py
@@ -339,11 +339,13 @@ class MainWindow(component.Component):
             bool: True if on active workspace (or wnck module not available), otherwise False.
 
         """
-        if not wnck:
-            return True
-        win = wnck.window_get(self.window.window.xid)
-        active_wksp = win.get_screen().get_active_workspace()
-        if active_wksp:
-            return win.is_on_workspace(active_wksp)
-        else:
-            return False
+        if wnck:
+            self.screen.force_update()
+            win = wnck.window_get(self.window.window.xid)
+            if win:
+                active_wksp = win.get_screen().get_active_workspace()
+                if active_wksp:
+                    return win.is_on_workspace(active_wksp)
+                else:
+                    return False
+        return True